9916 has 12 divisors (see below), whose sum is σ = 18088. Its totient is φ = 4752.

The previous prime is 9907. The next prime is 9923. The reversal of 9916 is 6199.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115 + ... + 181.

2⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

9916 is a deficient number, since it is larger than the sum of its proper divisors (8172).

9916 is a wasteful number, since it uses less digits than its factorization.

9916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 106 counting only the distinct ones).

The product of its digits is 486, while the sum is 25.

The square root of 9916 is about 99.5791142760. The cubic root of 9916 is about 21.4838530286.

The spelling of 9916 in words is "nine thousand, nine hundred sixteen".